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WorksheetsFINE AGGREGATES
Total questions: 10
Worksheet time: 5mins
1. Fine Aggregates should pass through which IS sieve?
a) 2.35mm
b) 45µ
c) 4.75mm
d) 75µ
2. How many types of fine aggregates are there based on source?
a) 3
b) 2
c) 4
d) 6
3. The specific gravity for sand is:
a) 2.6
b)2.65
c) 2.8
d) 2.75
4. aggregates are very important ingredients of concrete because
A. provides structural stability
B. provide good finish
C. acts as a filler material
D. all of the above
5.What is the total percentage of aggregates in concrete by volume?
a)50-60%
b)60-75%
c)85%
d) 50%
6.What is the size of coarse aggregates?
(a) 4.75 mm
(b) >4.75 mm
(c) <4.75 mm
(d)12mm
7.Crushed stone, gravel and ordinary sand are examples of ___________
(a) Lightweight aggregate
(b) Normal-weight aggregate
(c) Heavy-weight aggregate
(d)Both Normal-weight aggregate and Heavy-weight aggregate
8.According to IS : 383 - 1970, a good a aggregate for concrete construction should be
A. chemically inert
B. sufficiently strong
C. sufficiently hard and durable
D. all of these
9.The deleterious materials present in the aggregate
A. prevent normal hydration of cement
B. reduce the strength and durability of concrete
C. modify the setting action and cause efflorescence
D. all of these
10.--------is a natural and coarse type of sand which is extracted by digging 2-3m underneath the ground
A. river sand
B. digged sand
C. pit sand
D. none of these
